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During the past three years, working with more than 150 organizations representing public and private stakeholders, EPRI has developed the Electricity Technology Roadmap. The Roadmap identifies several major strategic challenges that must be successfully addressed to ensure a sustainable future in which electricity continues to play an important role in economic growth. Articulation of these anticipated trends and challenges requires a detailed understanding of the role and importance of reliable electricity in different sectors of the economy. This report is intended to contribute to that understanding by analyzing key aspects of trends in the economic value of electricity reliability in the U.S. economy. We first...
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This is a polygon coverage containing eleven different attributes of information including net coal thickness and estimated coal tonnages in the Calico and A-sequences in the Kaiparowits Plateau study area. This layer was derived from a "union" process, i.e., intersection and overlay of numerous layers and retaining attributes of each. It is the result of computing the geometric intersection of ten polygon coverages using the Environmental Systems Research Institute, Inc. (ESRI) Arc/Info UNION command, and finally calculating coal tonnage in INFO. Net coal thickness values are from 209 data points and represent all coal beds that are more than 1 foot thick.CARE SHOULD BE TAKEN IN USING THE COAL THICKNESS AND COAL...
A method for assessment of watershed health is developed by employing measures of reliability, resilience and vulnerability (R–R–V) using stream water quality data. Observed water quality data are usually sparse, so that a water quality time-series is often reconstructed using surrogate variables (streamflow). A Bayesian algorithm based on relevance vector machine (RVM) was employed to quantify the error in the reconstructed series, and a probabilistic assessment of watershed status was conducted based on established thresholds for various constituents. As an application example, observed water quality data for several constituents at different monitoring points within the Cedar Creek watershed in north-east Indiana...
During the past three years, working with more than 150 organizations representing public and private stakeholders, EPRI has developed the Electricity Technology Roadmap. The Roadmap identifies several major strategic challenges that must be successfully addressed to ensure a sustainable future in which electricity continues to play an important role in economic growth. Articulation of these anticipated trends and challenges requires a detailed understanding of the role and importance of reliable electricity in different sectors of the economy. This report is intended to contribute to that understanding by analyzing key aspects of trends in the economic value of electricity reliability in the U.S. economy. We first...
Crop simulation models are frequently used to estimate the impact of climate change on crop production. However, few studies have evaluated the model performance in ways that most researchers practiced in climate impact studies. In this article, we examined the reliability of the EPIC model in simulating grain sorghum (Sorghum bicolor (L.) Moench) yields in the U.S. Great Plains under different climate scenarios, namely in years with normal or extreme temperature and precipitation. We also investigated model uncertainties introduced by input data that are not site-specific but commonly used or available for climate change studies. Historical field trial data of sorghum at the Mead Experimental Center, NE, were used...
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This is a coverage that shows areas in the Kaiparowits Plateauwhere geologic conditions in the Calico and A-sequences are morefavorable for current underground mining technology (Hettinger andother, 1996, fig. 22). This coverage contains nine attributes ofinformation. It was compiled by computing the geometricintersection of nine polygon coverages using the ARC/INFO UNIONcommand.This coverage is characterized as being a guide to where the morefavorable coal areas are likely to be for current undergroundmining technology: areas where coal beds in the Calico and A-sequences are greater than 3.5 feet thick, less than 3,000 feetdeep, and inclined by less than 12 degrees. Note: Coal beds lessthan 3.5 feet thick are generally...


map background search result map search result map Total coal coverage containing eleven different attributes of information in the Kaiparowits Plateau study area Areas where geologic conditions in the Calico and A-sequences are more favorable for current underground mining technology in the Kaiparowits Plateau study area Areas where geologic conditions in the Calico and A-sequences are more favorable for current underground mining technology in the Kaiparowits Plateau study area Total coal coverage containing eleven different attributes of information in the Kaiparowits Plateau study area